/**
 * 
 */
package com.box.controller;

import javax.servlet.*;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;

/**
 *
 */
//public class Filter implements javax.servlet.Filter {

//
//    public void init(FilterConfig filterConfig) throws ServletException {
//        javax.servlet.Filter.super.init(filterConfig);
//    }
//
//    public void doFilter(ServletRequest servletRequest, ServletResponse servletResponse, FilterChain filterChain) throws IOException, ServletException {
////        比如说我们需要过滤是否登录
////        步骤1
////        步骤2
//
//
//    }
//
//    public void destroy() {
//        javax.servlet.Filter.super.destroy();
//    }
//}
